CN106011573A - High-strength abrasion resistant diamond saw blade and cold-pressing forming technique thereof - Google Patents
High-strength abrasion resistant diamond saw blade and cold-pressing forming technique thereof Download PDFInfo
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- CN106011573A CN106011573A CN201610332391.6A CN201610332391A CN106011573A CN 106011573 A CN106011573 A CN 106011573A CN 201610332391 A CN201610332391 A CN 201610332391A CN 106011573 A CN106011573 A CN 106011573A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D65/00—Making tools for sawing machines or sawing devices for use in cutting any kind of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Abstract
The invention discloses a high-strength abrasion resistant diamond saw blade and a cold-pressing forming technique thereof. The diamond saw blade comprises the main materials and an auxiliary material, wherein the main materials comprises, by volume fraction, 12%-15% of diamond, 20%-26% of copper, 40%-42% of iron, 3%-8% of tin, 5%-10% of nickel and 5%-10% of cobalt; and the auxiliary material comprises, by volume fraction, 3%-5% of alloy powder. The diamond saw blade is produced mainly through the steps of proportioning, premixing, total mixing, cold-pressing formation, sintering, cooling, surface treatment, paint spraying, truing and dressing, and the like. According to the diamond saw blade produced through the formula and the technique, the strength is enhanced, the abrasion resistance is also improved, the service life is prolonged in the actual using process, the production cost is greatly reduced, and resources are saved; and besides, the technique is environmentally friendly, sanitary and safe in the production process.
Description
Technical field
The present invention relates to a kind of diamond saw blade, particularly relate to a kind of high-strength abrasion-proof diamond saw blade and cold pressing forming process thereof.
Background technology
Diamond saw blade is a kind of cutting tool, is widely used in concrete, refractory material, stone material, the processing of the hard brittle materials such as pottery.Diamond saw blade is mainly made up of two parts；Matrix and cutter head.Matrix is the main support part of bonding cutter head, cutter head is then the part in use playing cutting, cutter head can in use and constantly consume, matrix then will not, why cutter head can play the effect of cutting is because wherein containing diamond, diamond is as the hardest material, its processed object of friction cuttings in cutter head.Diamond particles is then wrapped in inside cutter head by metal.
Diamond saw blade uses in the majority in actual cutting technique, its main performance index weighing diamond saw blade includes that intensity is the highest, the most wear-resisting, the most anticorrosive, technology present in erosion-resisting problem can solve the problem that the most substantially, but in intensity and wearability, but there is bigger problem, cause diamond saw blade short for service life, the effect of cutting is affected, the intensity of diamond saw blade to be solved and wear-resisting problem, not only to set about from its composition of raw materials, the more important thing is and its production technology is improved, and the various equipment used in production process, it it is all the direct factor affecting diamond saw piece performance, and according to from the point of view of existing diamond production technology, it there is also the more aspect needing and improving.
Summary of the invention
Problem for above-mentioned existence, it is desirable to provide a kind of high-strength abrasion-proof diamond saw blade and cold pressing forming process thereof, the present invention proposes new formula, and according to this formula, the production technology of prior art is improved by the present invention further, a kind of novel forming technology is provided, its intensity enhancing of diamond saw blade produced by this technique and formula, wearability also improves, life during actually used, greatly save production cost, save resource, and this technique environmental protection, health, safety during becoming to produce.
To achieve these goals, the technical solution adopted in the present invention is as follows:
A kind of high-strength abrasion-proof diamond saw blade, this diamond saw blade includes major ingredient according to volume fraction: diamond 12-15%, copper 20-26%, ferrum 40-42%, stannum 3-8%, nickel 5-10%, cobalt 5-10% and adjuvant alloyed powder 3-5%.
A kind of high-strength abrasion-proof diamond saw blade cold pressing forming process, comprises the following steps:
(1) dispensing: choose major ingredient diamond, copper, ferrum, stannum, nickel, cobalt and alloyed powder according to volume fraction proportioning, standby；
(2) premixing: use premixing mechanism, first ferrum and cobalt are mixed, mixing 30-40min, after ferrum and cobalt mixing, remaining diamond, copper, stannum, nickel and alloyed powder it is simultaneously introduced from the apparatus for feeding of premixing mechanism, the charging rate of copper is set to 1.5-2 times of input diamonds speed, and the time of siccative premixing is 5-6h；
(3) always mixing: use Zong Hun mechanism, add wetting agent, stir in the siccative through step (2) premixing, wetting time 2-3h, the usage amount of wetting agent is the 1/1000 of raw material total amount；
(4) cold pressing: get mould ready, before cold moudling, install matrix in a mold, total mixed after compound to carry out one in weighing, dress powder operation join the mould of cold-compacting forming device the most compressing, last demoulding, pressure of colding pressing is 2.5-3.5T/cm2, pressurize 3-5s, press time 8-10s；
(5) sintering: by elevating mechanism, some sintering furnaces are delivered to sintering region through the crude product of step (4) cold moudling, it is provided with the sintering bearing corresponding with each described sintering furnace in sintering region, some loads folder and graphite plate holder vertically it is provided with on described sintering bearing, described load folder and described graphite plate holder interval are arranged, during sintering, first on each load folder, fill diamond saw blade crude product, load onto graphite cake on graphite plate holder simultaneously, then, sintering furnace is delivered to sinter support position by elevating mechanism correspondence, and be tightly connected by Hermetical connecting structure, heating-up temperature T=860-880 DEG C, sintering time 1.5-2h, nitrogen and hydrogen mixture it is passed through in sintering process, intake is 0.5-0.8m3/min；
(6) cooling: after having sintered, is removed sintering furnace by elevating mechanism, continues through nitrogen and hydrogen mixture cooling, intake 0.8-1.0 m3/ min, cool time, 2-2.5h, made semi-finished product；
(7) surface processes: the diamond semi-finished product after cooling load on multiple-station rotation process dish, carry out surface process, dedusting, descale through the multiple wire wheels rotated, and the rotating speed of rotating process disk is 15-20r/min, and the rotating speed of wire wheel is 30-40 r/min；
(8) spray paint: the diamond semi-finished product that surface treated is crossed are contained on paint spraying frame spray metallic paint；
(9) put the first edge on a knife or a pair of scissors: having sprayed the diamond semi-finished product of paint and be contained on edging device and put the first edge on a knife or a pair of scissors, edging device is provided with emery wheel, and the rotating speed of emery wheel is 30-35 r/min；
(10) lettering, pack, put in storage.
Further improvement of the present invention is, the integrated mixing apparatus of premixing mechanism and Zong Hun mechanism that described step (2) and described step (3) are used, this integration mixing apparatus upper end arranges premixing mechanism, lower end arranges Zong Hun mechanism, blanking is controlled by controlled valve between premixing mechanism and Zong Hun mechanism, and arranging a circle wetting agent pipeline on the periphery of Zong Hun mechanism, be equidistantly spaced below wetting agent pipeline wetting agent feeder.
Further improvement of the present invention is, at the charging aperture of the apparatus for feeding used during described step (2) " premixing ", multiple feed well is set, each feed well correspondence one raw material, each feed well is conically shaped, the transition funnel that 3-5 feed opening bore is sequentially reduced vertically it is provided with in each conically shaped, and in the feed well of copper, the feed opening bore of a transition funnel of bottom is set to input diamonds groove 1.5-2 times of the feed opening caliber size of a transition funnel of bottom.
Further improvement of the present invention is, the sintering furnace used during described step (5) " sintering " is movable type electric furnace, conveying mechanism is Hangzhoupro car jacking equipment, described Hermetical connecting structure is divided into Hermetical connecting structure and lower seal attachment structure, in each described movable type electric furnace, bonnet is set, and Hermetical connecting structure on one circle is set on the base of described bonnet, described upper Hermetical connecting structure be bottom surface with the fastener one that some cross sections are conical by its shape, and the most advanced and sophisticated position of each described conical by its shape is set to circular arc.
Further improvement of the present invention is, described sintering bearing is provided with the fastener two sealing the clamping that coincide with described upper Hermetical connecting structure.
Further improvement of the present invention is, the some loads folder arranged on described sintering bearing and graphite plate holder, be circular storage tank in the middle of described load folder and described graphite plate holder, both sides are U-shaped clamping groove, graphite plate holder uses graphite to make, and arranges cellular passage on described graphite cake.
Further improvement of the present invention is, multiple-station rotation process dish used in described step (7) " surface process " process includes operating board, rotating process disk, drive mechanism, drive mechanism is rotated the uniform rotation on operating board of process dish, multiple locating dowel is set on rotating process disk, being correspondingly arranged a diamond saw blade in each locating dowel, wire wheel is arranged in rotating process disk side, and wire wheel is directed at being arranged above of locating dowel.
Further improvement of the present invention is, is equipped with dust collection equipment during described step (7) " surface process " process and described step (9) " putting the first edge on a knife or a pair of scissors ".
The invention has the beneficial effects as follows: compared with prior art, the present invention thes improvement is that,
One: change recipe ingredient so that it is obtain rational proportion, improves the performance of diamond saw blade from inside；
Its two: for the production process of diamond saw blade, the equipment that each of which step uses all processabilities to diamond have and directly affect, particularly sintering step, the equipment that sintering step is used, and the method used is most important to the performance impact of diamond saw blade, therefore, the present invention is directed to this step improved, first, movable type electric furnace is improved, movable type electric furnace links together with sintering bearing socket, therefore connecting portion is easily caused heat radiation, heat is easily scattered and disappeared, therefore the present invention uses the upper Hermetical connecting structure of the taper with arc tip surface and seals against the identical connection of identical lower attachment structure, by upper, lower seal attachment structure ensure that heat does not scatters and disappears；Secondly, existing diamond saw blade and graphite cake are directly arranged for interval, but less stable, therefore the purpose that the present invention uniformly transfers between graphite cake and diamond for the stability and heat improving clamping, therefore load folder and graphite plate holder are set, thus can make diamond saw blade and the most stable being placed on sintering bearing of graphite cake, for the radiating effect improved, graphite cake is processed multiple cellular heat transfer hole, improves the heat quick transmission between diamond and graphite cake；Again, in order to prevent the excessive surface oxidation of diamond saw blade during sintering, therefore in sintering process, also it is passed through nitrogen and hydrogen mixture, diamond saw blade can be protected by nitrogen and hydrogen mixture, anti-oxidation；
nullThey are three years old，Except sintering process，Other process is also that the intensity and wearability improving diamond saw blade is played assosting effect，Such as，Premixing and total mixed employing integration mixing apparatus，This integration mixing apparatus not only saves space，Operation can also be reduced，The direct raw material through premixing is quickly entered by controlled valve and carries out moistening in Zong Hun mechanism，The efficiency of mixing is greatly enhanced，And the present invention is for the uniformity of batch mixing，In the position of charging aperture, conically shaped is set，The transition funnel that 3-5 feed opening bore is sequentially reduced is set in conically shaped，And in the feed well of copper, the feed opening bore of a transition funnel of bottom is set to input diamonds groove 1.5-2 times of the feed opening caliber size of a transition funnel of bottom，So ensure that property and uniformity while blanking，Compounding effect is preferable，The uniform quality of the most compressing diamond saw blade；
Its four, in surface treatment process, conventional process all be use man-to-man processing mode, the efficiency that so surface processes is the lowest, is substantially reduced productivity ratio, for this, the present invention designs multiple-station rotation process dish, so can process multiple diamond saw blade simultaneously, and high treating effect.
The present invention, by the detailed improvement to formula and technique, not only makes the efficiency produced be greatly enhanced, and the intensity enhancing of the diamond saw blade produced, wearability strengthens, is extended service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of integration mixing apparatus of the present invention.
Fig. 2 is the schematic diagram of multiple-station rotation process dish of the present invention.
Fig. 3 is the schematic top plan view that diamond saw blade of the present invention is arranged on rotating process disk.
Fig. 4 is load of the present invention folder or the left view schematic diagram of graphite plate holder.
Fig. 5 is the schematic diagram of elevating mechanism of the present invention and sintering bearing.
Wherein: 1-premixing mechanism, 2-Zong Hun mechanism, 3-conically shaped, 4-transition funnel, 5-wetting agent pipeline, 6-wetting agent feeder, 7-rotating process disk, the big motor of 8-, 9-small machine, 10-locating dowel, 11-wire wheel, 12-diamond saw blade, 13-Hangzhoupro car jacking equipment, 14-sintering furnace, 15-bonnet, 16-fastener one, 17-fastener two, 18-load folder or graphite plate holder, 19-controlled valve.
Detailed description of the invention
In order to make those of ordinary skill in the art be better understood on technical scheme, with embodiment, technical scheme is further described below in conjunction with the accompanying drawings.
Embodiment one:A kind of high-strength abrasion-proof diamond saw blade, this diamond saw blade includes major ingredient according to volume fraction: diamond 12%, copper 26%, ferrum 40%, stannum 6%, nickel 5%, cobalt 8% and adjuvant alloyed powder 3%.
A kind of high-strength abrasion-proof diamond saw blade cold pressing forming process, comprises the following steps:
(1) dispensing: choose major ingredient diamond, copper, ferrum, stannum, nickel, cobalt and alloyed powder according to volume fraction proportioning, standby；
(2) premixing: use premixing mechanism 1, first ferrum and cobalt are mixed, it it is now the good fluidity of ferrum by the purpose that ferrum and cobalt carry out mixing, and cobalt is not easy mix homogeneously, therefore need first to be mixed in advance by cobalt bad to the ferrum of good fluidity and mobility, mixing 40min, after ferrum and cobalt mixing, remaining diamond, copper, stannum, nickel and alloyed powder it is simultaneously introduced from the apparatus for feeding of premixing mechanism, the charging rate of copper is set to 2 times of input diamonds speed, and the time of siccative premixing is 6h；
As shown in Figure 1, at the charging aperture of the apparatus for feeding used during Gai, multiple feed well is set, each feed well correspondence one raw material, each feed well is conically shaped 3, the transition funnel 4 that 3-5 feed opening bore is sequentially reduced it is provided with in each conically shaped 3, and in the feed well of copper, the feed opening bore of a transition funnel 4 of bottom is set to input diamonds groove 1.5-2 times of the feed opening caliber size of a transition funnel 4 of bottom, the present invention arranges the purpose of the transition funnel 4 that 3-5 feed opening bore is sequentially reduced and is able to realize blanking simultaneously, so ensure that property and uniformity while blanking, compounding effect is preferable, the uniform quality of the most compressing diamond saw blade 12；
(3) always mixing: use Zong Hun mechanism 2, add wetting agent, stir in the siccative through step (2) premixing, wetting time 3h, the usage amount of wetting agent is the 1/1000 of raw material total amount；
nullAs shown in Figure 1，The integrated mixing apparatus of premixing mechanism 1 and Zong Hun mechanism 2 that this process is used，This integration mixing apparatus upper end arranges premixing mechanism 1，Lower end arranges Zong Hun mechanism 2，Blanking is controlled by controlled valve 19 between premixing mechanism 1 and Zong Hun mechanism 2，And a circle wetting agent pipeline 5 is set on the periphery of Zong Hun mechanism 2，Be equidistantly spaced below wetting agent pipeline 5 wetting agent feeder 6，Wetting agent feeder 6 is connected in Zong Hun mechanism 2 by jointed shaft，Wetting agent feeder 6 is obliquely installed by jointed shaft when feeding，And realize charging，The wetting agent of wetting agent pipeline 5 is directly fallen in wetting agent feeder 6 by liquid outlet，And realize wing drop feed liquor，Wetting agent feeder 6 can seal with Zong Hun mechanism 2 and be connected together，After tilting charging，Wetting agent feeder 6 is engaged with Zong Hun mechanism 2 and is tightly connected，So it is capable of the uniform wet effect to raw material by the wetting agent feeder 6 of a circle，And apply wetting agent from the periphery of Zong Hun mechanism 2 convenient；
(4) cold pressing: get mould ready, before cold moudling, install matrix in a mold, total mixed after compound to carry out one in weighing, dress powder operation join the mould of cold-compacting forming device the most compressing, last demoulding, pressure of colding pressing is 3.0T/cm2, pressurize 5s, press time 10s；
(5) sintering: be delivered to some sintering furnaces 14 to sinter region by elevating mechanism through the crude product of step (4) cold moudling, it is provided with the sintering bearing corresponding with each described sintering furnace 14 in sintering region, some loads folder 18 and graphite plate holder vertically it is provided with on described sintering bearing, described load folder 18 and described graphite plate holder interval are arranged, during sintering, first on each load folder 18, fill diamond saw blade 12 crude product, load onto graphite cake on graphite plate holder simultaneously, then, sintering furnace 14 is delivered to sinter support position by elevating mechanism correspondence, and be tightly connected by Hermetical connecting structure, heating-up temperature T=880 DEG C, sintering time 2h, nitrogen and hydrogen mixture it is passed through in sintering process, intake is 0.5m3/min；
As illustrated in figures 4-5, the sintering furnace 14 used during Gai is movable type electric furnace, conveying mechanism is Hangzhoupro car jacking equipment 13, described Hermetical connecting structure is divided into Hermetical connecting structure and lower seal attachment structure, in each described movable type electric furnace, bonnet 15 is set, and Hermetical connecting structure on a circle is set on the base of described bonnet 15, described upper Hermetical connecting structure be bottom surface with the fastener 1 that some cross sections are conical by its shape, and the most advanced and sophisticated position of each described conical by its shape is set to circular arc；Sintering bearing is provided with the fastener 2 17 sealing the clamping that coincide with described upper Hermetical connecting structure；The some loads folder 18 and graphite plate holder arranged on sintering bearing, is circular storage tank in the middle of described load folder 18 and described graphite plate holder, both sides are U-shaped clamping groove, and graphite plate holder uses graphite to make, and arranges cellular passage on described graphite cake；Equipment in sintering process is improved by the present invention, the form using fastener 1 and fastener 2 17 engaging on heat scatters and disappears problem is avoided, because engaging gap is the sealing off gap of shape bending-type in a row, the sealing off gap of this bending-type can stop that too much heat scatters and disappears, and the circuitous path that heat is formed in gap has preferable effect to the preservation of heat；Existing agglomerating plant is directly to use fixed sintering furnace 14 to be sintered, the step of sintering and cooling is cumbersome, need during cooling the diamond saw blade 12 sintered is taken out and could be cooled down, and the present invention improves in this problem, movable type electric furnace is moved to sintering support position by the mode using Hangzhoupro car lifting conveying, and carry out sealing shroud by fastener 1 and fastener 2 17 to be connected on sintering bearing, so save artificial, reduce labor intensity, directly remove movable type electric furnace after having sintered to cool down, cool down convenient, simply, and safety, reliably；Solving on heat transfer problem, the present invention specifically arranges cellular heat transfer hole on graphite cake, during actual sintered, one diamond saw blade 12 and graphite cake are arranged closely together, there is multiple structure, therefore cellular heat transfer hole is set on graphite cake and can be greatly improved the heat-transfer effect between diamond saw blade 12 and graphite cake；The present invention uses load folder 18 and graphite plate holder to realize in the clamping problem solving diamond saw blade 12 and graphite cake, it is set up in parallel a load folder 18 on sintering bearing and graphite plate holder can improve the stability in both sintering processes, and it is capable of the purpose of long period use, time specifically used, diamond saw blade 12 is vertically sticked in the U-shaped clamping groove of load folder 18, equally, also graphite cake is vertically sticked in the U-shaped clamping groove of its graphite plate holder,；The surface easilying lead to diamond saw blade 12 in sintering process is oxidized; form oxide skin; in order to alleviate oxidation impact; therefore in sintering process, it is passed through nitrogen and hydrogen mixture; the problem of oxidation of sintering process can be greatly reduced by nitrogen and hydrogen mixture; diamond saw blade 12 is played a protective role, anti-oxidation；
(6) cooling: after having sintered, removed by sintering furnace 14 by elevating mechanism, continues through nitrogen and hydrogen mixture cooling, intake 1.0 m3/ min, cool time, 2h, made semi-finished product；
(7) surface processes: the diamond semi-finished product after cooling load on multiple-station rotation process dish 7, carry out surface process, dedusting, descale through the multiple wire wheels 11 rotated, and the rotating speed of rotating process disk 7 is 20r/min, and the rotating speed of wire wheel 11 is 40 r/min；
nullSuch as Fig. 2、Shown in 3，Multiple-station rotation process dish 7 used in this process includes operating board、Rotating process disk 7，Drive mechanism，Drive mechanism is rotated process dish 7 uniform rotation on operating board，Multiple locating dowel 10 is set on rotating process disk 7，A diamond saw blade 12 it is correspondingly arranged in each locating dowel 10，Wire wheel 11 is arranged in rotating process disk 7 side，And wire wheel 11 is directed at being arranged above of locating dowel 10，Rotating process disk 7 connects dust collection equipment by sweep-up pipe，Surface treatment process can exist a lot of dust and impurity，Need to be processed in time，Otherwise can affect the environmental issue of workshop，Also the physical and mental health of workman can be impacted，Wire wheel 11 is driven by small machine 9 and at the uniform velocity rotates，Rotating process disk 7 is driven by big motor 8 and at the uniform velocity rotates，Both combine and process diamond saw blade 12 surface，And can Fast Installation by locating dowel 10、Dismounting；
(8) spray paint: the diamond semi-finished product that surface treated is crossed are contained on paint spraying frame spray metallic paint；
(9) put the first edge on a knife or a pair of scissors: having sprayed the diamond semi-finished product of paint and be contained on edging device and put the first edge on a knife or a pair of scissors, edging device is provided with emery wheel, and the rotating speed of emery wheel is 35 r/min, should during be also adopted by dust collection equipment and draw the surface particles that emery wheel frosted comes, environmental protection, health；
(10) lettering, pack, put in storage.
The qualification rate of the diamond saw blade produced by embodiment one reaches 99%.
Embodiment two:A kind of high-strength abrasion-proof diamond saw blade, this diamond saw blade includes major ingredient according to volume fraction: diamond 15%, copper 20%, ferrum 42%, stannum 3%, nickel 10%, cobalt 5% and adjuvant alloyed powder 5%.
Unlike the technique of embodiment one:
(2) premixing: mixing 35min, after ferrum and cobalt mixing, being simultaneously introduced remaining diamond, copper, stannum, nickel and alloyed powder from the apparatus for feeding of premixing mechanism, the charging rate of copper is set to 1.5 times of input diamonds speed, and the time of siccative premixing is 5h；
(3) always mix: use Zong Hun mechanism 2, in the siccative through step (2) premixing, add wetting agent, stir, wetting time 2.5h；
(4) cold pressing: get mould ready, before cold moudling, install matrix in a mold, total mixed after compound to carry out one in weighing, dress powder operation join the mould of cold-compacting forming device the most compressing, last demoulding, pressure of colding pressing is 2.5T/cm2, pressurize 4s, press time 9s；
(5) sintering: heating-up temperature T=870 DEG C of sintering furnace 14, sintering time 2h, is passed through nitrogen and hydrogen mixture in sintering process, and intake is 0.5m3/min；
(6) cooling: after having sintered, removed by sintering furnace 14 by elevating mechanism, continues through nitrogen and hydrogen mixture cooling, intake 0.8 m3/ min, cool time, 2.5h, made semi-finished product；
(7) surface processes: the diamond semi-finished product after cooling load on multiple-station rotation process dish 7, carry out surface process, dedusting, descale through the multiple wire wheels 11 rotated, and the rotating speed of rotating process disk 7 is 18r/min, and the rotating speed of wire wheel 11 is 35 r/min；
(9) put the first edge on a knife or a pair of scissors: having sprayed the diamond semi-finished product of paint and be contained on edging device and put the first edge on a knife or a pair of scissors, edging device is provided with emery wheel, and the rotating speed of emery wheel is 30 r/min；
The qualification rate of the diamond saw blade 12 produced by embodiment two reaches 98%.
Embodiment three:A kind of high-strength abrasion-proof diamond saw blade 12, this diamond saw blade 12 includes major ingredient according to volume fraction: diamond 15%, copper 20%, ferrum 42%, stannum 3%, nickel 10%, cobalt 5% and adjuvant alloyed powder 5%.
Unlike the technique of embodiment one:
(2) premixing: mixing 30min, after ferrum and cobalt mixing, being simultaneously introduced remaining diamond, copper, stannum, nickel and alloyed powder from the apparatus for feeding of premixing mechanism, the charging rate of copper is set to 1.5 times of input diamonds speed, and the time of siccative premixing is 5h；
(3) always mix: use Zong Hun mechanism 2, in the siccative through step (2) premixing, add wetting agent, stir, wetting time 2.5h；
(4) cold pressing: get mould ready, before cold moudling, install matrix in a mold, total mixed after compound to carry out one in weighing, dress powder operation join the mould of cold-compacting forming device the most compressing, last demoulding, pressure of colding pressing is 3.5T/cm2, pressurize 4s, press time 8s；
(5) sintering: heating-up temperature T=860 DEG C of sintering furnace 14, sintering time 1.8h, is passed through nitrogen and hydrogen mixture in sintering process, and intake is 0.6m3/min；
(6) cooling: after having sintered, removed by sintering furnace 14 by elevating mechanism, continues through nitrogen and hydrogen mixture cooling, intake 0.8 m3/ min, cool time, 2h, made semi-finished product；
(7) surface processes: the diamond semi-finished product after cooling load on multiple-station rotation process dish 7, carry out surface process, dedusting, descale through the multiple wire wheels 11 rotated, and the rotating speed of rotating process disk 7 is 15r/min, and the rotating speed of wire wheel 11 is 30 r/min；
(9) put the first edge on a knife or a pair of scissors: having sprayed the diamond semi-finished product of paint and be contained on edging device and put the first edge on a knife or a pair of scissors, edging device is provided with emery wheel, and the rotating speed of emery wheel is 35 r/min；
The qualification rate of the diamond saw blade 12 produced by embodiment three reaches 98%.
Claims (9)
1. a high-strength abrasion-proof diamond saw blade, it is characterised in that this diamond saw blade includes major ingredient according to volume fraction: diamond 12-15%, copper 20-26%, ferrum 40-42%, stannum 3-8%, nickel 5-10%, cobalt 5-10% and adjuvant alloyed powder 3-5%.
2. a high-strength abrasion-proof diamond saw blade cold pressing forming process, it is characterised in that comprise the following steps:
(1) dispensing: choose major ingredient diamond, copper, ferrum, stannum, nickel, cobalt and alloyed powder according to volume fraction proportioning, standby；
(2) premixing: use premixing mechanism, first ferrum and cobalt are mixed, mixing 30-40min, after ferrum and cobalt mixing, remaining diamond, copper, stannum, nickel and alloyed powder it is simultaneously introduced from the apparatus for feeding of premixing mechanism, the charging rate of copper is set to 1.5-2 times of input diamonds speed, and the time of siccative premixing is 5-6h；
(3) always mixing: use Zong Hun mechanism, add wetting agent, stir in the siccative through step (2) premixing, wetting time 2-3h, the usage amount of wetting agent is the 1/1000 of raw material total amount；
(4) cold pressing: get mould ready, before cold moudling, install matrix in a mold, total mixed after compound to carry out one in weighing, dress powder operation join the mould of cold-compacting forming device the most compressing, last demoulding, pressure of colding pressing is 2.5-3.5T/cm2, pressurize 3-5s, press time 8-10s；
(5) sintering: by elevating mechanism, some sintering furnaces are delivered to sintering region through the crude product of step (4) cold moudling, it is provided with the sintering bearing corresponding with each described sintering furnace in sintering region, some loads folder and graphite plate holder vertically it is provided with on described sintering bearing, described load folder and described graphite plate holder interval are arranged, during sintering, first on each load folder, fill diamond saw blade crude product, load onto graphite cake on graphite plate holder simultaneously, then, sintering furnace is delivered to sinter support position by elevating mechanism correspondence, and be tightly connected by Hermetical connecting structure, heating-up temperature T=860-880 DEG C, sintering time 1.5-2h, nitrogen and hydrogen mixture it is passed through in sintering process, intake is 0.5-0.8m3/min；
(6) cooling: after having sintered, is removed sintering furnace by elevating mechanism, continues through nitrogen and hydrogen mixture cooling, intake 0.8-1.0 m3/ min, cool time, 2-2.5h, made semi-finished product；
(7) surface processes: the diamond semi-finished product after cooling load on multiple-station rotation process dish, carry out surface process, dedusting, descale through the multiple wire wheels rotated, and the rotating speed of rotating process disk is 15-20r/min, and the rotating speed of wire wheel is 30-40 r/min；
(8) spray paint: the diamond semi-finished product that surface treated is crossed are contained on paint spraying frame spray metallic paint；
(9) put the first edge on a knife or a pair of scissors: having sprayed the diamond semi-finished product of paint and be contained on edging device and put the first edge on a knife or a pair of scissors, edging device is provided with emery wheel, and the rotating speed of emery wheel is 30-35 r/min；
(10) lettering, pack, put in storage.
A kind of high-strength abrasion-proof diamond saw blade cold pressing forming process the most according to claim 2, it is characterized in that, the integrated mixing apparatus of premixing mechanism and Zong Hun mechanism that described step (2) and described step (3) are used, this integration mixing apparatus upper end arranges premixing mechanism, lower end arranges Zong Hun mechanism, blanking is controlled by controlled valve between premixing mechanism and Zong Hun mechanism, and arranging a circle wetting agent pipeline on the periphery of Zong Hun mechanism, be equidistantly spaced below wetting agent pipeline wetting agent feeder.
A kind of high-strength abrasion-proof diamond saw blade cold pressing forming process the most according to claim 3, it is characterized in that, at the charging aperture of the apparatus for feeding used during described step (2) " premixing ", multiple feed well is set, each feed well correspondence one raw material, each feed well is conically shaped, the transition funnel that 3-5 feed opening bore is sequentially reduced vertically it is provided with in each conically shaped, and in the feed well of copper, the feed opening bore of a transition funnel of bottom is set to input diamonds groove 1.5-2 times of the feed opening caliber size of a transition funnel of bottom.
A kind of high-strength abrasion-proof diamond saw blade cold pressing forming process the most according to claim 2, it is characterized in that, the sintering furnace used during described step (5) " sintering " is movable type electric furnace, conveying mechanism is Hangzhoupro car jacking equipment, described Hermetical connecting structure is divided into Hermetical connecting structure and lower seal attachment structure, in each described movable type electric furnace, bonnet is set, and Hermetical connecting structure on one circle is set on the base of described bonnet, described upper Hermetical connecting structure is that bottom surface is with the fastener one that some cross sections are conical by its shape, and the most advanced and sophisticated position of each described conical by its shape is set to circular arc.
A kind of high-strength abrasion-proof diamond saw blade cold pressing forming process the most according to claim 5, it is characterised in that described sintering bearing is provided with the fastener two sealing the clamping that coincide with described upper Hermetical connecting structure.
A kind of high-strength abrasion-proof diamond saw blade cold pressing forming process the most according to claim 6, it is characterized in that, the some loads folder arranged on described sintering bearing and graphite plate holder, be circular storage tank in the middle of described load folder and described graphite plate holder, both sides are U-shaped clamping groove, graphite plate holder uses graphite to make, and arranges cellular passage on described graphite cake.
8. according to a kind of high-strength abrasion-proof diamond saw blade cold pressing forming process described in any one of claim 2-7, it is characterized in that, multiple-station rotation process dish used in described step (7) " surface process " process includes operating board, rotating process disk, drive mechanism, drive mechanism is rotated the uniform rotation on operating board of process dish, multiple locating dowel is set on rotating process disk, a diamond saw blade it is correspondingly arranged in each locating dowel, wire wheel is arranged in rotating process disk side, and wire wheel is directed at being arranged above of locating dowel.
A kind of high-strength abrasion-proof diamond saw blade cold pressing forming process the most according to claim 8, it is characterised in that be equipped with dust collection equipment during described step (7) " surface process " process and described step (9) " putting the first edge on a knife or a pair of scissors ".
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| CN201610332391.6A CN106011573A (en) | 2016-05-19 | 2016-05-19 | High-strength abrasion resistant diamond saw blade and cold-pressing forming technique thereof |
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| CN201610332391.6A CN106011573A (en) | 2016-05-19 | 2016-05-19 | High-strength abrasion resistant diamond saw blade and cold-pressing forming technique thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107127400A (en) * | 2017-04-19 | 2017-09-05 | 郑州磨料磨具磨削研究所有限公司 | A kind of saw blade post-processing production line |
| CN107876758A (en) * | 2017-12-11 | 2018-04-06 | 郭荣忠 | A kind of raw cook automatic cold-press manufacturing process of diamond saw blade |
| CN108149097A (en) * | 2017-12-26 | 2018-06-12 | 江苏超峰工具有限公司 | A kind of diamond saw sheet material and manufacture craft |
| CN108149098A (en) * | 2017-12-26 | 2018-06-12 | 江苏超峰工具有限公司 | A kind of diamond saw sheet material and manufacturing process |
| CN109628815A (en) * | 2018-12-29 | 2019-04-16 | 郑州机械研究所有限公司 | A kind of diamond saw blade |
| CN112387972A (en) * | 2020-10-29 | 2021-02-23 | 江西上品金刚石工具科技有限公司 | Preparation method of diamond tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107127400A (en) * | 2017-04-19 | 2017-09-05 | 郑州磨料磨具磨削研究所有限公司 | A kind of saw blade post-processing production line |
| CN107876758A (en) * | 2017-12-11 | 2018-04-06 | 郭荣忠 | A kind of raw cook automatic cold-press manufacturing process of diamond saw blade |
| CN108149097A (en) * | 2017-12-26 | 2018-06-12 | 江苏超峰工具有限公司 | A kind of diamond saw sheet material and manufacture craft |
| CN108149098A (en) * | 2017-12-26 | 2018-06-12 | 江苏超峰工具有限公司 | A kind of diamond saw sheet material and manufacturing process |
| CN109628815A (en) * | 2018-12-29 | 2019-04-16 | 郑州机械研究所有限公司 | A kind of diamond saw blade |
| CN112387972A (en) * | 2020-10-29 | 2021-02-23 | 江西上品金刚石工具科技有限公司 | Preparation method of diamond tool |
| CN112809005A (en) * | 2020-12-30 | 2021-05-18 | 荣成高时新材料技术有限公司 | Circular saw using composite diamond saw head and preparation method of diamond saw head |
| CN112809933A (en) * | 2020-12-30 | 2021-05-18 | 荣成高时新材料技术有限公司 | Gang saw using composite diamond saw head and preparation method of diamond saw head |
| CN114524670A (en) * | 2022-03-15 | 2022-05-24 | 福建省乔光电子科技有限公司 | Ceramic resistor formula and processing technology and equipment |
| CN114524670B (en) * | 2022-03-15 | 2023-05-16 | 福建省乔光电子科技有限公司 | Ceramic resistor formula and processing technology and equipment |
| CN115522109A (en) * | 2022-10-10 | 2022-12-27 | 江苏超峰工具有限公司 | High-strength diamond saw blade and preparation method thereof |
| CN115522109B (en) * | 2022-10-10 | 2023-09-26 | 江苏超峰工具有限公司 | High-strength diamond saw blade and preparation method thereof |
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Application publication date: 20161012 |